Journal of Occupational Health最新文献

{"title":"Techno-strain and techno-insecurity are associated with poor mental well-being in specific age and occupation groups.","authors":"Hang-Ju Yang, Yawen Cheng, Yen-Ling Liu, Wan-Ju Cheng","doi":"10.1093/joccuh/uiae079","DOIUrl":"10.1093/joccuh/uiae079","url":null,"abstract":"<p><strong>Objectives: </strong>Innovative technology at work can lead to stress and has been linked with adverse work and health consequences. This study aimed to examine the association of techno-insecurity and techno-strain with mental well-being in different age and occupational groups.</p><p><strong>Methods: </strong>We used a nationally representative survey of the working population and restricted our analyses to 2814 employees who reported being engaged with new technology. Techno-insecurity and techno-strain were evaluated by a single question each. Mental health status was assessed by a 5-item scale, and burnout status was assessed by the Copenhagen Burnout Inventory. We used logistic regression analysis to examine the association of techno-insecurity and techno-strain with mental well-being, adjusting for job control, psychological demands, job insecurity, and workplace violence. We further stratified study participants by age and occupational group and examined the association in each group.</p><p><strong>Results: </strong>One-fifth of the study participants reported having techno-insecurity and techno-strain. Techno-insecurity was associated with a 1.8-fold increased risk of poor mental health and high burnout, whereas techno-strain was associated with a 2.2-fold increased risk of having poor mental health and high burnout. The associations between techno-insecurity or techno-strain and poor mental health were most profound among middle-aged workers. Among all occupational groups, the associations between techno-insecurity or techno-strain and burnout were most profound among manual workers.</p><p><strong>Conclusions: </strong>Techno-strain and techno-insecurity are emerging occupational mental health threats, particularly among middle-aged and manual workers. To promote mental health, resources provided by the organization are needed to help employees cope and work with technology.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827113/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142895463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Carcinogenicity assessment: \"modern toxicology\" considerations from experience in the evaluation of a carbon nanotube.","authors":"Jun Kanno","doi":"10.1093/joccuh/uiaf013","DOIUrl":"10.1093/joccuh/uiaf013","url":null,"abstract":"<p><p>The novel properties and functions of nanomaterials have naturally alerted toxicologists to the fact that such materials may also have novel effects on the human body and other living organisms. In particular, materials with high stability or biopersistency have been shown to have a tendency to accumulate in the body, leading to chronic toxicity including carcinogenicity. However, in the early stages of toxicity research, the information is often limited to the effects of short-term exposure studies, and findings on chronic effects are very much delayed. In this context, it was exceptional that studies on multi-walled carbon nanotubes (MWCNTs) have started with the verification of their potential to induce mesothelioma. This toxicological endpoint was expected on the basis of existing knowledge of asbestos and asbestos-like fiber particles. This movement has led to the achievement of the original mission of \"modern toxicology,\" which is \"to achieve a win-win situation where both industrial promotion and safety assurance are ensured by communicating and sharing toxicity information to developers and consumers at a stage before mass production and consumption begins, that is, before massive exposure of the general public begins.\" Inaccurate toxicity assessments of asbestos in the 1980s and 1990s allowed its spread to our living environment, which is difficult to decontaminate, and the damage continues to this day. However, the case described here could be an example of realizing the proposition that \"nanomaterials, the flagship of high technology, must not repeat the same mistakes.\"</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12057693/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143441167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biopsychosocial and physical factors associated with firefighter musculoskeletal disorders: a systematic review.","authors":"Jennifer Tinsley Kubala, Rachel Kleis, Johanna Hoch","doi":"10.1093/joccuh/uiaf028","DOIUrl":"10.1093/joccuh/uiaf028","url":null,"abstract":"<p><strong>Objectives: </strong>Firefighters are frequently exposed to psychologically and physically stressful experiences. This volatile occupational environment is thought to contribute to the risk of firefighter musculoskeletal disorders (MSDs). However, investigations of firefighter MSDs are limited, and to our knowledge, have not been collectively examined. The purpose of this novel systematic review was to systematically identify, critically appraise, and synthesize evidence regarding the relationship between MSDs and personal, physical, and psychosocial factors among career firefighters to guide future study directions.</p><p><strong>Methods: </strong>Five electronic databases (MEDLINE, CINAHL, SPORTDiscus, APA PsychInfo, PubMed) were searched from inception to December 12, 2024, which yielded 741 results. This review followed PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) 2020 guidelines and used the AXIS (Assess the Quality of Cross-Sectional Studies) tool.</p><p><strong>Results: </strong>The final review included 20 cross-sectional studies (AXIS scores 12-18). Of those, 19 examined physical factor(s), and 16 examined psychosocial factor(s). The overall evidence suggests a positive relationship between firefighter MSD reports and body mass index (BMI), occupational stress, and depression. A negative relationship to physical activity engagement was consistently observed.</p><p><strong>Conclusions: </strong>Body mass index , physical activity, and occupational stress were the most consistently examined factors related to firefighter MSDs. Odds of MSD occurrences were positively related to occupational stress and BMI, and negatively related to physical activity engagement; therefore, future investigations can focus primarily on these factors in relation to MSD risk. The establishment of reliable and culturally appropriate MSD report forms among firefighters is warranted as data collected were heterogeneous and not directly comparable. Finally, this report suggests that prospective examinations of both physical and psychosocial factors related to firefighter MSDs are needed.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12202764/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144142832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Importance of early detection and treatment of occupational hypersensitivity pneumonitis.","authors":"Shinya Ohkouchi, Yasuo Morimoto, Narufumi Suganuma, Hajime Kurosawa, Kenichi Azuma, Hisamitsu Omori, Taro Tamura, Kunio Dobashi, Kengo Nakamoto, Makiko Nakano, Yuji Natori, Naomi Hisanaga, Kiyoshi Mizushima, Kazuhiro Yatera, Yasunari Miyazaki","doi":"10.1093/joccuh/uiaf026","DOIUrl":"10.1093/joccuh/uiaf026","url":null,"abstract":"<p><p>Recently, the incidence of pneumoconiosis has decreased due to strict dust control measures and environmental improvements in the workplace. The significance of other occupational diseases has relatively increased. Occupational hypersensitivity pneumonitis (OHP) is mainly caused by allergic reactions to antigens in the workplace. Therefore, the presence of subtle amounts of harmful substances in the environment can increase the risk of developing OHP. Not only organic substances but also inorganic substances can cause OHP. OHP is caused by a specific antibody reaction (type III allergy) or sensitized lymphocytes (type IV allergy) to a specific antigen. Based on the clinical course, OHP is classified into acute and chronic hypersensitivity pneumonitis (HP). Acute HP forms granulomas and is classified as a granulomatous lung disease (nonfibrotic HP), whereas chronic HP rarely forms granulomas and progresses to fibrosis (fibrotic HP). Differentiation between chronic HP and idiopathic or collagen vascular disease-related interstitial pneumonia is challenging. Additionally, the genetic background of each patient influences the onset, leading to diverse onset patterns. Antigens and modes of onset are diverse in the workplace. Therefore, diagnosis is difficult, and many patients may be misdiagnosed. Chronic HP with advanced fibrosis due to delayed antigen identification has a poor prognosis. This study aimed to present an overview of the causative antigens, diagnosis, prevention, and treatment of OHP to provide appropriate and timely medical attention.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12127028/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144111079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mini-review: occupational health topics series on the effects of chemicals. Occupational cholangiocarcinoma incident.","authors":"Shinji Kumagai","doi":"10.1093/joccuh/uiaf001","DOIUrl":"10.1093/joccuh/uiaf001","url":null,"abstract":"<p><p>In 2012, a social issue arose concerning a high incidence of cholangiocarcinoma (bile duct cancer) among printing workers. The cause was prolonged exposure to high concentrations of 1,2-dichloropropane that was included in the ink cleaning agent. Until then, it was not known that this substance could cause cancer in humans. The author was involved in this incident from the beginning. This article describes the course from the start of the investigation to the recognition of cholangiocarcinoma as an occupational disease. Furthermore, the article presents the pathological characteristics of occupational cholangiocarcinoma, as well as epidemiological analysis results.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11830427/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142950459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neuro-reproductive toxicity and carcinogenicity of 1-bromopropane: studies for evidence-based preventive medicine.","authors":"Gaku Ichihara","doi":"10.1093/joccuh/uiaf004","DOIUrl":"10.1093/joccuh/uiaf004","url":null,"abstract":"<p><p>Bromopropane was introduced commercially as an alternative to ozone-depleting and global-warming solvents. The identification of 1-bromopropane neurotoxicity in animal experiments was followed by reports of human cases of 1-bromopropane toxicity. In humans, the most common clinical features of 1-bromopropane neurotoxicity are decreased sensation, weakness in extremities, and walking difficulties. Moreover, decreased cognition, abnormal findings on brain magnetic resonance imaging, urinary incontinence, and numbness in the perineal area have also been described in workers exposed to 1-bromopropane. Murine histological studies showed that exposure to 1-bromopropane reduced the density of brain noradrenergic axons. Furthermore, proteome studies demonstrated 1-bromopropane-induced changes in the expression of proteins in the hippocampus of rats, similar to the changes seen in mice exposed to acrylamide, suggesting a common mechanism of electrophile-induced neurotoxicity. In addition to its neurotoxicity, 1-bromopropane also induces male reproductive toxicity in rats, although the targeted areas in the reproductive system differ from those affected by 2-bromopropane. However, exposure to high levels of 1-bromopropane was reported to induce spermatogenic cell degeneration, similar to that caused by 2-bromopropane, suggesting common mechanism(s) underlying 1- and 2-bromopropane-induced male reproductive toxicity. Plural approaches, including human, animal, and mechanistic studies, are useful for identification of 1-bromopropane neurotoxicity. The International Agency for Research on Cancer summarized that 1-bromopropane as well as 2-bromopropane share several key characteristics of carcinogens. Plural approaches can establish evidence-based preventive medicine by modification of the conventional evidence-based medicine (EBM), which has been developed for therapeutic medicine and is represented by the EBM pyramid.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11847597/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143046929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of engineered nanomaterials on the cardiovascular system.","authors":"Sahoko Ichihara","doi":"10.1093/joccuh/uiae080","DOIUrl":"10.1093/joccuh/uiae080","url":null,"abstract":"<p><p>With the explosive development of nanotechnology, engineered nanomaterials are currently being used in various industries, including food and medicine. Concern about the health effects of nanomaterials has been raised, and available research indicates that the relative surface area of nanomaterials seems to correlate with the severity of their toxicity. With regard to engineered nanomaterials, the scope of their acute and chronic toxicities and their mechanisms are not fully understood. Studies suggest that exposure to certain nanomaterials can generate reactive oxidant species and enhance permeability of the phagolysosomal membrane, which leads to inflammasome activation, causing oxidative stress and inflammation. Since the latter 2 are implicated in the development of cardiovascular diseases, such as hypertension and atherosclerosis, it can be presumed that exposure to engineered nanomaterials could significantly impact cardiovascular function. In this review, I raise issues that should be considered in the assessment of the effects of engineered nanomaterials on cardiovascular function, and evaluate their cardiovascular toxicity as described in various in vitro and/or in vivo toxicological studies and industrial investigations.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827124/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction to: Stress experienced by dental students performing clinical training in different dental disciplines: a cross-sectional study.","authors":"","doi":"10.1093/joccuh/uiae022","DOIUrl":"10.1093/joccuh/uiae022","url":null,"abstract":"<p><p>[This corrects the article DOI: 10.1093/joccuh/uiae006.].</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":"66 1","pages":"uiae022"},"PeriodicalIF":3.0,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11131962/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141161562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring the Interaction between Physical, Psychosocial, and Neck Pain Symptoms in Construction Workers.","authors":"Wyke Kusmasari, Auditya Purwandini Sutarto, Nugrahaning Sani Dewi, Yassierli, Titah Yudhistira, Khoirul Muslim, Kadek Heri Sanjaya, Aridhotul Haqiyah, Wahyu Dwi Lestari","doi":"10.1093/joccuh/uiae010","DOIUrl":"10.1093/joccuh/uiae010","url":null,"abstract":"<p><strong>Objective: </strong>Construction workers are significantly vulnerable to musculoskeletal disorders, yet the number of studies conducted in developing nations-where these workers significantly contribute to the economy-remains insufficient. This study aims at exploring the interaction between physical and psychosocial exposure to the onset of neck pain or symptoms amongst construction workers in a developing country.</p><p><strong>Methods: </strong>Using a cross-sectional study design, a total of 235 respondents from various construction projects participated in this study. Participants were assigned into one of four exposure groups: low physical and low psychosocial (which served as the reference group); low physical and high psychosocial; high physical and low psychosocial, and high physical and high psychosocial. To quantitatively assess the interaction, we calculated the relative excess risk due to interaction (RERI), attributable proportion (AP), and synergy index (SI).</p><p><strong>Results: </strong>Workers experiencing high levels of both physical and psychosocial risk factors had the highest odds ratio (OR) of neck symptoms (OR: 12.63, 95% confidence interval (CI): 3.39 - 46.99) compared to other groups. The AP (AP: 0.33, 95% CI: -0.24 - 0.90), RERI (RERI: 0.40, 95% CI: -0.99 - 1.79), and SI (SI: 1.69, 95% CI: -1.77 - 5.15) revealed an interaction between physical and psychosocial factors that increases the OR of neck symptoms.</p><p><strong>Conclusions: </strong>This result suggests that physical risk factors at work become significantly more detrimental when paired with high psychosocial stress. Hence, ergonomic interventions in the construction industry aiming to reduce musculoskeletal disorders should consider both physical and psychosocial risk factors concurrently.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11060339/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140039662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The association of emotional labor and workplace violence with health-related productivity loss.","authors":"Heejoo Ko, Dohwan Kim, Seong-Sik Cho, Dong-Wook Lee, Jaesung Choi, Minseok Kim, Min Young Park, Mo-Yeol Kang","doi":"10.1093/joccuh/uiae057","DOIUrl":"10.1093/joccuh/uiae057","url":null,"abstract":"<p><strong>Objectives: </strong>This study explored the association of emotional labor and workplace violence with health-related productivity loss (HRPL).</p><p><strong>Methods: </strong>We used the initial dataset from a survey known as the Korean Work, Sleep, and Health Study, an ongoing nationwide panel study initiated in 2022. To assess emotional labor, the study included 2386 workers who worked in customer service. The Korean Workplace Violence Scale-13 and the Korean Emotional Labour Scale-11 were used to assess the level of exposure to workplace violence, and the intensity of emotional labor, respectively. The Work Productivity and Activity Impairment Questionnaire was used to measure HRPL, including absenteeism and presenteeism. We examined differences in HRPL based on workplace violence and emotional labor using generalized linear regression models.</p><p><strong>Results: </strong>HRPL increased with an increase in workplace violence and emotional labor scores. Notably, the mean HRPL was highest in the high-risk groups for both workplace violence and emotional labor. The mean HRPL increased as the number of \"high-risk\" components for workplace violence and emotional labor increased. All the workplace violence and emotional labor components exhibited higher HRPL in the \"high-risk\" groups compared with the \"low-risk\" groups.</p><p><strong>Conclusions: </strong>Our study showed that both emotional labor and workplace violence are associated with reduced productivity.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11558231/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142289569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}